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Grade 4 - Number
Standard 4.N.11 - Round the numbers in an equation to a specified place value then evaluate.
Demonstrate an understanding of addition and subtraction of decimals (limited to hundredths) by: • using personal strategies to determine sums and differences to solve problems. • estimating sums and differences to solve problems. • using mental mathematics strategies to solve problems. • Predict sums and differences of decimals, using estimation strategies. • Determine the sum or difference of two given decimal numbers, using a mental mathematics strategy, and explain the strategy. • Refine personal strategies to increase their efficiency. • Solve problems, including money problems, which involve addition and subtraction of decimals, limited to hundredths. • Determine the approximate solution of a given problem not requiring an exact answer.